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. 2021 Sep;37(9):1295-1301.
doi: 10.1007/s00383-021-04938-7. Epub 2021 Jun 6.

Clinical regression of inguinal hernias in premature infants without surgical repair

Mark A Fleming 2nd  1 , David F Grabski  2 , Emmanuel L Abebrese  3 , Daniel E Levin  4 , Sara K Rasmussen  4 , Eugene D McGahren  4 , Jeffrey W Gander  4
Affiliations

Clinical regression of inguinal hernias in premature infants without surgical repair

Mark A Fleming 2nd et al. Pediatr Surg Int. 2021 Sep.

Abstract

Background: The incidence of inguinal hernias in premature infants is approximately 30%. Due to concerns about a high risk of incarceration, early repair is commonly performed. We present a series of patients whose families opted to delay repair until after 55 weeks corrected gestational age (GA) and experienced safe clinical regression of their hernias.

Methods: Between June 2015 and July 2020, premature infants (< 37 weeks GA) diagnosed with inguinal hernias on physical examination were identified. Families of eligible infants were offered either immediate or delayed repair after 55 weeks corrected GA. Infants whose families elected to delay were followed until their hernia(s) clinically regressed, or until older than 55 weeks.

Results: Families of 68 infants consented to delay repair. 23 infants (33.8%) had hernias that clinically regressed at median follow up from diagnosis of 14.1 weeks. Univariate analysis demonstrated female sex as a significant predictor of hernia clinical regression (OR: 3.08; p = 0.046). Of the 45 infants who underwent repair, 84.4% safely progressed to 55 weeks corrected GA prior to.

Conclusion: Delaying inguinal hernia repair in this series of premature infants until after 55 weeks corrected GA revealed that one third of hernias, especially in females, safely regressed upon follow-up examination.

Keywords: Hernia; Inguinal hernia; Inguinal hernia repair; Pediatric surgery; Premature infants.

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